
https://theconversation.com/germany-steps-up-to-replace-unreliable-us-as-guarantor-of-european-security-257735

https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/long-war-ukraine-perspectives-kyiv-and-washington

https://www.institutmontaigne.org/en/publications/rebooting-europes-china-strategy